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State
MD iMAP: Maryland Watersheds - Federal Watersheds (HUC 11) 15 recent views
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Hydrologic unit boundaries define the aerial extent of surface water... -
State
MD iMAP: Maryland Wetlands - Wetlands Polygon (Department of Natural Resources)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Maryland Department of Natural resources began updating the National... -
State
MD iMAP: Maryland Watersheds - Chesapeake Bay Watershed
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Chesapeake Bay Watershed Outline. Defines extent of the Chesapeake Bay... -
State
MD iMAP: Maryland Wetlands - Wetlands Polygon (Special State Concern)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. In Maryland certain wetlands with rare - threatened - endangered species or... -
State
MD iMAP: Maryland Gauges - Stream Gauge Locations
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. AHPS Shapefile - Observations - a shapefile of river and lake observeration... -
State
MD iMAP: Maryland Wetlands - Wetlands Linear (Department of Natural Resources)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Maryland Department of Natural resources began updating the National... -
State
MD iMAP: Maryland Waterbodies - Rivers and Streams (Detailed)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Line features of rivers and streams (detailed shape) in Maryland. Last... -
State
MD iMAP: Maryland Shoreline Changes - Transects
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. To quantify rates of change (erosion or accretion) along coastal and... -
State
MD iMAP: Maryland Wetlands - Wetlands (National Wetlands Inventory)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data set represents the extent - approximate location and type of... -
State
MD iMAP: Maryland Waterbodies - Rivers and Streams (Generalized)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The digital segmented network based on watershed boundaries - ERF1-2 -... -
State
MD iMAP: Maryland Shoreline Changes - Historic Shorelines
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Digital shoreline vectors derived from bromide or mylar copies of National... -
State
MD iMAP: Maryland Floodplain - Preliminary FEMA Floodplain
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This layer offers the anticipated floodplain boundaries however - the data shown... -
State
MD iMAP: IR2012 TWCateg4Bpts
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
State
MD iMAP: Tidal Waters - Shellfish/Bacteria Assessments only
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
State
MD iMAP: IR2012 RiversStreams
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
State
MD iMAP: Maryland Watersheds - Maryland Coastal Zone
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Maryland coastal zone is comprised of the land - water and subaqueous... -
State
MD iMAP: Maryland Blue Infrastructure - Blue Infrastructure Watersheds
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. A subset of watersheds created for the Blue Infrastructure Project (BI)... -
State
MD iMAP: Maryland Water Quality - Tier II Catchments 2012
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This dataset provides the Tier II catchments delineated for the most... -
State
MD iMAP: Maryland Waterbodies - Lakes (Generalized)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Polygon boundaries of lakes (generalized shape) in Maryland. Last Updated:... -
State
MD iMAP: Tidal Waters - Legacy Assessments only
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that...